import {z} from 'zod'

export type GetApiV1RoutesNearbyCouriersArgs = {lat: number, lng: number, limit?: number | undefined, store_location_id?: (string | null) | undefined, exclude_route_ids?: (string | null) | undefined, max_location_age_minutes?: number | undefined};

export type GetApiV1RoutesNearbyCouriersOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const routeStatus = z.enum(["created", "assigned", "started", "in_progress", "completed", "failed", "canceled"]);

export const nearbyCourier = z.object({courier_id: z.string(), courier_name: z.string().nullable(), route_id: z.string(), route_name: z.string().nullable(), route_status: routeStatus, lat: z.number(), lng: z.number(), captured_at: z.string(), distance_meters: z.number().int()});

export const nearbyCouriersResponse = z.object({couriers: z.array(nearbyCourier)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Find Nearby Couriers
 * 
 * GET /v1/routes/nearby-couriers
 */
export const getApiV1RoutesNearbyCouriers = async (args: GetApiV1RoutesNearbyCouriersArgs, options?: GetApiV1RoutesNearbyCouriersOptions) => {
const {baseUrl = "https://api.sandbox.usenash.com", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.lat != null) query.append("lat", String(args.lat))
if (args.lng != null) query.append("lng", String(args.lng))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.store_location_id != null) query.append("store_location_id", String(args.store_location_id))
if (args.exclude_route_ids != null) query.append("exclude_route_ids", String(args.exclude_route_ids))
if (args.max_location_age_minutes != null) query.append("max_location_age_minutes", String(args.max_location_age_minutes))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/routes/nearby-couriers${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(nearbyCouriersResponse, await res.json())
};